a*a+144=169

Solution for a*a+144=169 equation:

Simplifying
a * a + 144 = 169

Multiply a * a
a2 + 144 = 169

Reorder the terms:
144 + a2 = 169

Solving
144 + a2 = 169

Solving for variable 'a'.

Move all terms containing a to the left, all other terms to the right.

Add '-144' to each side of the equation.
144 + -144 + a2 = 169 + -144

Combine like terms: 144 + -144 = 0
0 + a2 = 169 + -144
a2 = 169 + -144

Combine like terms: 169 + -144 = 25
a2 = 25

Simplifying
a2 = 25

Take the square root of each side:
a = {-5, 5}